msem-instigator

Foretell {4}{R}{R} (During your turn, you may pay {2} and exile this card from your hand face down. Cast it on a later turn for its foretell cost.)
Each player sacrifices four lands. A Kingdom Burns deals 4 damage to each creature and each planeswalker.

Menace
Whenever you cycle A Most Important Prince or it attacks, each opponent with two or more cards in hand discards a card.
Basic landcycling {1}{B} ({1}{B}, Discard this card: Search your library for a basic land card, reveal it, and put it into your hand, then shuffle.)

Draw a card.
Leitmotif (If you cast this spell from your hand, exile it as it resolves. When you next cast a spell that shares a color with this card, you may cast this from exile without paying its mana cost.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
You may exile target nonland permanent. If you do, you lose 3 life.
Create a 7/7 white, black, and green Horror Knight creature token with trample and “Whenever this creature is dealt damage, you lose that much life.”

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
Mill four cards.
Return target land card from your graveyard to the battlefield.
Return target creature or non-Saga enchantment card from your graveyard to the battlefield.
You may cast target instant or sorcery card from your graveyard without paying it mana cost

Each opponent loses X life and you gain X life, where X is the number of Illusions you control.
Acquiesce (If you cast this spell from your hand, exile it as it resolves. When one or more creatures you control deal combat damage to an opponent, you may cast this card from exile without paying its mana cost.)

(Add a quest counter as this enters. Sacrifice after 3.)
Whenever you attack, add a quest counter.
Mill a card, then create a 1/1 black Peasant creature token.
Each player sacrifices a creature.
Monument {2}{B}{B} (You may cast this transformed from your graveyard for its monument cost. Exile it if it would leave the battlefield or not resolve.)

(As this Saga enters and after your draw step, add a lore counter. Sacrifice after III.)
I, II — Create a token that's a copy of target Construct you control.
III — Constructs you control get +2/+0 and gain vigilance until end of turn.

Gain control of target artifact, creature, or planeswalker if its mana value is 4 or less or if you cast A Sucker for You from a graveyard.
Reconstruct {9}{U}{U}{U} (You may cast this from your graveyard for its reconstruct cost reduced by the mana value of a permanent you sacrifice as you cast it this way. Then exile this.)

Harvest (You may tap any number of creatures you control as you cast this spell. If you do, reduce this spell's mana cost by their total power.)
For each nonland permanent target player controls, that player sacrifices it unless they pay X life.

Whenever a creature enters, return each other creature controlled by the same player to its owner's hand.

Abandoned Battlefield enters tapped if you control another nonbasic land.
{T}: Add {U} or {B}.

Abandoned Cairn enters tapped if you control another nonbasic land.
{T}: Add {B} or {R}.

Abandoned Chamber enters with X story counters on it.
{3}, {T}, Remove all story counters from Abandoned Chamber and exile it: Return a card from your graveyard to your hand for each counter removed this way.

Abandoned Forge enters tapped if you control another nonbasic land.
{T}: Add {R} or {W}.

Abandoned Hideout enters tapped if you control another nonbasic land.
{T}: Add {U} or {R}.

Abandoned Laboratory enters tapped if you control another nonbasic land.
{T}: Add {W} or {B}.

Abandoned Meadow enters tapped if you control another nonbasic land.
{T}: Add {R} or {G}.

Nonland permanents have “This permanent doesn't untap during your untap step” and “{2}: Untap this permanent.”

Abandoned Preserve enters tapped if you control another nonbasic land.
{T}: Add {B} or {G}.

Abandoned Shores enters tapped if you control another nonbasic land.
{T}: Add {G} or {U}.

Abandoned Skyroad enters tapped if you control another nonbasic land.
{T}: Add {W} or {U}.

Abandoned Wilderness enters tapped if you control another nonbasic land.
{T}: Add {G} or {W}.

All creatures get -4/-4 until end of turn. If a creature would die this turn, exile it instead.

{T}, Pay 1 life, Sacrifice Abbey of Masquerades: Create a tapped Plains token, Island token, Swamp token, Mountain token, or Forest token.
Lifecycle {3} ({3}, Discard this card: Create two tapped 1/1 colorless Elemental creature tokens.)